Prakhar Shrivastava

• Username: 4★prax_killer
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Information Technology, Pune Maharashtra, India
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 32

Current Ratings Graph Old Ratings Graph

1987 (-6)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 95 Division 2 (Rated)(2023-06-21 22:00:02)

Global Rank:   556

Cheated in:   

Ratings System Update

(2023-06-21 22:00:02)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

How the rating system works?

1960 (-309)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 35 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   32

Cheated in:   

Ratings System Update

(2022-12-20 00:00:00)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

How the rating system works?

Learning Paths (0)

None

Practice Paths (0)

None

Contests (32)

March Cook-Off 2021 Division 2

Guess the Number

CodeChef Div 3 Rated Contest 2021 Division 3

Body Mass Index

March Challenge 2021 Division 3

Interesting XOR!, Chef and Groups, College Life 4, Consecutive Adding, Space Arrays, No Time to Wait

April Challenge 2021 Division 3

Chef and Dice, Valid Pair, World Record

April Cook-Off 2021 Division 3

Passing Marks, Chocolate Monger

May Cook-Off 2021 Division 3

The Last Problem, Marathon, Vaccine Drive

May Challenge 2021 Division 3 (Rated)

Xor Equality, Tic Tac Toe, Golf, Solubility

June Challenge 2021 Division 2 (Unrated)

Shortest Route, Bitwise Tuples, Bella ciao, Summer Heat

June Lunchtime 2021 Division 2

False Number, Unpleasant Ones

July Cook-Off 2021 Division 2

XOR-ORED, Mod Equality

August Challenge 2021 Division 2 (Unrated)

Special Triplets, Array Filling, Chef and Bulb Invention, Problem Difficulties, Olympics Ranking

November Challenge 2021 Division 2 (Unrated)

Weird Palindrome Making, Equal Coins

CodeChef Starters 19 Division 2 (Rated)

Indivisible Permutation

December Challenge 2021 Division 2 (Unrated)

List of Lists

CodeChef Starters 21 Division 2 (Rated)

Akash and Grid, ChefWM, And Or Union

CodeChef Starters 22 Division 2 (Rated)

An Interesting Sequence, Even Subset Xor, Merging Binary Strings, Equal LIS

Code Drive Division 2 (Rated)

Sum this up, Again XOR problem, Count Number of Peaks

Exun 2021-22 Division 2 (Rated)

Sarthak and his Magic Grid, Vedant and his Hidden Array, Aujasvit and the Circle Game

January Cook-Off 2022 Division 2

Palindromes Not Allowed, Mean Maximization, Subsegment Divisibility , Merged LIS

January Lunchtime 2022 Division 2

Subarray permutations, Prefix Zeros, Permutation XOR Sum

CodeChef Starters 24 Division 2 (Rated)

Anti Palindrome, Avoid Contact, Divisors and Reciprocals, Yet Another Constructive Problem

CodeChef Starters 25 Division 2 (Rated)

Building Towers, Equal MEX, Points and Lines

CodeChef Starters 26 Division 2 (Unrated)

Careless Chef

CodeChef Starters 28 Division 2 (Rated)

Permutation Xority, Count the Holidays

CodeChef Starters 30 Division 2 (Rated)

Minimum Coloring, Gift Shop and Coupon, Balanced Reversals

CodeChef Starters 31 Division 2 (Rated)

XOR and AND, Alternating String, Sign Moves, The Unchanging OR

CodeChef Starters 32 Division 2 (Rated)

Maximize the Minimum, Finding Shoes, Training Plans, Flip Sorting

CodeChef Starters 33 Division 2 (Rated)

Stable Mex, Distinct Dilemma, Broken Life, Non Adjacent Flips, Make Them Equal

CodeChef Starters 34 Division 2 (Rated)

Binary Mismatch, Average Array, Binary String Xor, Good Permutation

Starters 35 Division 2 (Rated)

Jump to Sibling, Dark Light, Chef Find XOR Beautiful, Concurrent Lines, Admins and Shopping

Starters 74 Division 2 (Rated)

Distinct Values, Lcm hates Gcd, Minimal Inversions, Odd Even Binary String

Starters 76 Division 2 (Rated)

Make Array Odd, Zero String, Construct Array, Not Divisible

February Cook-Off 2023 Division 2 (Rated)

Take Not Less, Alice Potter And Dumbledore Army, Permutation and Modulus, Minimum Beauty

Starters 78 Division 1 (Rated till 6 stars)

Bitwise Equation, Solve More Problems!

Starters 79 Division 2 (Rated)

Love Squares Hate Cubes, One Stone or Two Stones, Add smallest prime factor, Distinct Opposite Sums

Starters 95 Division 2 (Rated)

Boxes, Transfusion Chain, EVacuate to Moon

Total Problems Solved: 128